Method to oxidize Ti.sup.+3 during the sulfuric acid digestion o

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ivb metal

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75 1T, C01G 2300

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active

043259200

ABSTRACT:
The invention relates to the sulfuric digestion of titaniferous slags and more specifically to a method to decrease the reduced titanium concentration in the resulting sulfate liquor. The process uses lignin products to assist in the oxidation of the Ti.sup.+3 content of the slag.

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patent: 3868441 (1975-02-01), Agee et al.
patent: 4117076 (1978-09-01), Gueguin
Encyclopedia of Chemical Technology, vol. 12, pp. 361-381.

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